#646C2F#646C2F

#646C2F is a mid, moderate yellow. Relative luminance 0.136; OKLCH L 51.0% C 0.085 H 115.7°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#646C2F
RGB	rgb(100, 108, 47)
HSL	hsl(68, 39%, 30%)
HSV	hsv(68, 56%, 42%)
CMYK	cmyk(7.4%, 0%, 56.5%, 57.6%)
CIE-LAB	lab(43.71, -12.75, 32.62)
CIE-LCH	lch(43.71, 35.02, 111.35°)
OKLab	oklab(51.03% -0.0368 0.0765)
OKLCH	oklch(51.03% 0.085 115.7)
XYZ	xyz(11.1314, 13.6398, 4.7351)
Luminance	0.1364 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646C2F #372F6C

analogous

#6C552F #646C2F #456C2F

triadic

#646C2F #2F646C #6C2F64

tetradic

#646C2F #2F6C55 #372F6C #6C2F45

square

#646C2F #2F6C55 #372F6C #6C2F45

split-complementary

#646C2F #2F456C #552F6C

monochromatic

#15170A #3D411C #646C2F #8B9742 #ACB85D

Accessibility & contrast

On white

5.63

#646C2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#646C2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646C2F

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646C2F	#FFFFFF	#000000	##FFFFFF
##646C2F	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736729

Deuteranopia (green-blind)

#726832

Tritanopia (blue-blind)

#6A665E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #646c2f;
/* rgb */ color: rgb(100, 108, 47);
/* oklch */ color: oklch(51.0% 0.085 115.7);

Tailwind

colors: {
  custom: {
    50: '#92966a',
    500: '#646c2f',
    950: '#000000',
  },
}

SCSS

$custom: #646c2f;
$custom-light: #92966a;
$custom-dark: #000000;

JSON

{
  "hex": "#646c2f",
  "rgb": {
    "r": 100,
    "g": 108,
    "b": 47
  },
  "hsl": {
    "h": 67.869,
    "s": 39.355,
    "l": 30.392
  },
  "oklch": {
    "l": 0.51034,
    "c": 0.08486,
    "h": 115.7
  },
  "luminance": 0.1364
}

Semantic roles & 50–950 ramp

primary

#646C2F

secondary

#62599D

accent

#59CF68

background

#F9F9F6

surface

#F1F1EB

border

#CBCBC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646C2F

Body copy rendered with the generated semantic roles for this colour.

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